Triple

T2168728
Position Surface form Disambiguated ID Type / Status
Subject Richmond, California E46972 entity
Predicate knownFor P22 FINISHED
Object Chevron Richmond Refinery
The Chevron Richmond Refinery is a major oil refining complex in Richmond, California, known for its large-scale petroleum processing operations and significant economic and environmental impact on the region.
E239763 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Chevron Richmond Refinery | Statement: [Richmond, California, knownFor, Chevron Richmond Refinery]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chevron Richmond Refinery
Context triple: [Richmond, California, knownFor, Chevron Richmond Refinery]
  • A. Columbia Aquila refinery
    The Columbia Aquila refinery was a major oil processing facility in Ploiești, Romania, that became a key strategic bombing objective for the Allies during World War II.
  • B. Houston petrochemical complex
    The Houston petrochemical complex is one of the world’s largest concentrations of oil refining and chemical manufacturing facilities, forming a major hub of the U.S. energy and chemical industries.
  • C. Sulphur Works
    Sulphur Works is a hydrothermal area in Lassen Volcanic National Park known for its boiling mud pots, steam vents, and strong sulfurous fumes.
  • D. Salem Nuclear Power Plant
    Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
  • E. Humboldt Bay Power Plant
    Humboldt Bay Power Plant is a decommissioned power-generating facility in Northern California that formerly included both nuclear and fossil-fuel units serving the surrounding region’s electricity needs.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Chevron Richmond Refinery
Triple: [Richmond, California, knownFor, Chevron Richmond Refinery]
Generated description
The Chevron Richmond Refinery is a major oil refining complex in Richmond, California, known for its large-scale petroleum processing operations and significant economic and environmental impact on the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chevron Richmond Refinery
Target entity description: The Chevron Richmond Refinery is a major oil refining complex in Richmond, California, known for its large-scale petroleum processing operations and significant economic and environmental impact on the region.
  • A. Columbia Aquila refinery
    The Columbia Aquila refinery was a major oil processing facility in Ploiești, Romania, that became a key strategic bombing objective for the Allies during World War II.
  • B. Houston petrochemical complex
    The Houston petrochemical complex is one of the world’s largest concentrations of oil refining and chemical manufacturing facilities, forming a major hub of the U.S. energy and chemical industries.
  • C. Sulphur Works
    Sulphur Works is a hydrothermal area in Lassen Volcanic National Park known for its boiling mud pots, steam vents, and strong sulfurous fumes.
  • D. Salem Nuclear Power Plant
    Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
  • E. Humboldt Bay Power Plant
    Humboldt Bay Power Plant is a decommissioned power-generating facility in Northern California that formerly included both nuclear and fossil-fuel units serving the surrounding region’s electricity needs.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a88a184cbc8190877791f6552c2484 completed March 4, 2026, 7:38 p.m.
NER Named-entity recognition batch_69abbeadaed481908d6afa942d7155b8 completed March 7, 2026, 5:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae58f26334819095202544d37e6850 completed March 9, 2026, 5:21 a.m.
NEDg Description generation batch_69ae5a2055488190855ac173d1e3ad11 completed March 9, 2026, 5:26 a.m.
NED2 Entity disambiguation (via description) batch_69ae5a810b588190a1bb538be46b2010 completed March 9, 2026, 5:28 a.m.
Created at: March 4, 2026, 7:45 p.m.